Setting up postfix (3.1.0-3) ...
setting explicit chroot on /etc/postfix:smtp/inet/chroot
postconf: fatal: file /etc/postfix/master.cf: line 126: specify service name and type on the same line
dpkg: error processing package postfix (--configure):
subprocess installed post-installation script returned error exit status 1
[ line 126 of master.cf is commented out, why does it have a problem with it? ]
ProblemType: Package
DistroRelease: Ubuntu 16.04
Package: postfix 3.1.0-3
ProcVersionSignature: Ubuntu 3.13.0-48.80-generic 3.13.11-ckt16
Uname: Linux 3.13.0-48-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
Date: Fri Sep 16 23:14:42 2016
Ec2AMI: ami-5189a661
Ec2AMIManifest: (unknown)
Ec2AvailabilityZone: us-west-2b
Ec2InstanceType: m3.large
Ec2Kernel: unavailable
Ec2Ramdisk: unavailable
ErrorMessage: subprocess installed post-installation script returned error exit status 1
RelatedPackageVersions:
dpkg 1.18.4ubuntu1.1
apt 1.2.12~ubuntu16.04.1
SourcePackage: postfix
Title: package postfix 3.1.0-3 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1
UpgradeStatus: Upgraded to xenial on 2016-09-17 (0 days ago)
Thank you for your report.
This looks like a local configuration problem, rather than a bug in Ubuntu. We can provide more details of help if you provide your configuration file as an attachment.
You can find pointers to get help for this sort of problem here: http://
Since we use this bug tracker to track bugs in Ubuntu, rather than configuration problems, I'm marking this bug as Invalid. This helps us to focus on fixing bugs in Ubuntu.
If you believe that this is really a bug, then you may find it helpful to read "How to report bugs effectively" http://